Texas Instruments

SN74ALS74ADR

SN74ALS74ADR Description

The SN74ALS74ADR is a dual D-type flip-flop integrated circuit (IC) designed by Texas Instruments. This logic IC chip is part of the 74ALS series and is optimized for high-speed performance while maintaining low power consumption. It features two independent D-type flip-flops, each capable of storing a single bit of data. The SN74ALS74ADR operates within a supply voltage range of 4.5V to 5.5V and is rated for an operating temperature range of 0°C to 70°C (TA). The device is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for surface-mount applications.

SN74ALS74ADR Features

• High-Speed Operation: The SN74ALS74ADR supports a clock frequency of up to 34 MHz, ensuring rapid data processing and synchronization.
• Complementary Outputs: The flip-flops provide complementary outputs, which can be useful for driving various types of digital circuits and reducing the need for additional inverters.
• Positive Edge Triggering: The flip-flops are triggered on the positive edge of the clock signal, allowing precise control over data latching.
• Set and Reset Functionality: Each flip-flop includes set (preset) and reset functions, enabling direct control over the output states.
• Low Power Consumption: The device has a quiescent current (Iq) of only 4 mA, making it suitable for low-power applications.
• Robust Output Current Capability: The outputs can source up to 400µA and sink up to 8mA, providing sufficient drive capability for various digital loads.
• Compliance and Reliability: The SN74ALS74ADR is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1 (unlimited), making it suitable for a wide range of manufacturing environments.
• Low Propagation Delay: The maximum propagation delay is 18ns at 5V and 50pF, ensuring fast signal transmission and minimal latency.

SN74ALS74ADR Applications

The SN74ALS74ADR is ideal for a variety of digital applications where high-speed data processing and reliable storage are required. Some specific use cases include:

• Digital Clock Circuits: The positive edge triggering and high clock frequency make it suitable for generating and synchronizing clock signals in digital systems.
• Data Storage and Latching: The dual D-type flip-flops can be used for temporary data storage and latching in microprocessor and digital signal processing applications.
• Sequential Logic Circuits: The set and reset functions allow for the implementation of complex sequential logic circuits, such as counters and state machines.
• Communication Interfaces: The complementary outputs and robust current capability make it suitable for driving communication interfaces and interfacing with other digital components.

Conclusion of SN74ALS74ADR

The SN74ALS74ADR from Texas Instruments is a versatile and high-performance dual D-type flip-flop IC. Its combination of high-speed operation, low power consumption, and robust output current capability make it an excellent choice for a wide range of digital applications. The inclusion of set and reset functions, along with its compliance with environmental and regulatory standards, further enhances its appeal. Whether used in digital clock circuits, data storage systems, or communication interfaces, the SN74ALS74ADR provides reliable performance and functionality, making it a valuable component in modern electronic designs.